281118604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 592704000

約数和(自身を除く): 311585396

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 89, 92, 139, 178, 247, 278, 299, 356, 437, 494, 556, 598, 874, 988, 1157, 1196, 1691, 1748, 1807, 2047, 2314, 2641, 3197, 3382, 3614, 4094, 4628, 5282, 5681, 6394, 6764, 7228, 8188, 10564, 11362, 12371, 12788, 21983, 22724, 24742, 26611, 34333, 38893, 41561, 43966, 49484, 53222, 60743, 68666, 77786, 83122, 87932, 106444, 121486, 137332, 155572, 160823, 166244, 235049, 242972, 284533, 321646, 470098, 505609, 569066, 643292, 789659, 940196, 1011218, 1138132, 1579318, 2022436, 3055637, 3158636, 3698929, 5406127, 6111274, 7397858, 10812254, 12222548, 14795716, 21624508, 70279651, 140559302, 281118604]

約数ペア:

[(1, 281118604), (2, 140559302), (4, 70279651), (13, 21624508), (19, 14795716), (23, 12222548), (26, 10812254), (38, 7397858), (46, 6111274), (52, 5406127), (76, 3698929), (89, 3158636), (92, 3055637), (139, 2022436), (178, 1579318), (247, 1138132), (278, 1011218), (299, 940196), (356, 789659), (437, 643292), (494, 569066), (556, 505609), (598, 470098), (874, 321646), (988, 284533), (1157, 242972), (1196, 235049), (1691, 166244), (1748, 160823), (1807, 155572), (2047, 137332), (2314, 121486), (2641, 106444), (3197, 87932), (3382, 83122), (3614, 77786), (4094, 68666), (4628, 60743), (5282, 53222), (5681, 49484), (6394, 43966), (6764, 41561), (7228, 38893), (8188, 34333), (10564, 26611), (11362, 24742), (12371, 22724), (12788, 21983)]